//- 引入 pug 文件
include ./l3_layout.pug

//- 引入文本文件, eg. css, js
html
    head
        style
            include style.css
    body
        h1 My Site
        p Welcome to my super lame site.
        script
            include script.js

//- 引入 filter, 这里的 filter 很娇气, 放错位置会报错, 因为 # 表示 h1, 所以会自动转换
    body
        include:markdown article.md
